dependable vs safe

dependable is not a noun while safe is a noun.

Word	Noun	Adjective	Verb	Adverb
dependable	No	Yes	No	No
safe	Yes	Yes	No	No

As adjectives, dependable and safe are synonyms defined as:

Other synonyms of dependable include good, secure.

dependable (noun)	safe (noun)
	strongbox where valuables can be safely kept
	contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse
	a ventilated or refrigerated cupboard for securing provisions from pests

dependable (adjective)	safe (adjective)
worthy of reliance or trust	free from danger or the risk of harm
financially safe	having reached a base without being put out
consistent in performance or behavior	financially safe
worthy of being depended on	(of an undertaking) secure from risk